Read your whole contract - that is, the one that includes following the policies of the school. Then read all the policies of the school which are included in your contract by reference to them, till you get to one that allows them to change programs at their discretion and at any time. Or just to take any actions in general. And then, even if that's not there, you can't sue them anyway, since there is no specific statute that lets you sue the government for changing the programs at a school. And you have not been specific. Often a program is changed because the bodies that overlook that program in the "real world" or hire from that program stiffen their "real world" require such a change so you can become employed. Typical now are nursing programs, and some medical technical programs.
This should not be considered legal advice and is intended for educational purposes only. It does not constitute a contract for legal services between any parties. Answers are given to questions for which there may be additional facts not mentioned which might change the legal issues or consequences.
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